Longeron and station brace for aeroplane fuselages



Jan. 5 1926. 1,568,510

R. s. KWASIGROCH LONGERON AND STATION BRACE FOR AEROPLANE FUSELAGES Original Filed pril 25 1925 gnwenlbr 7?. S. flzuasarac Gnome Patented Jan. 5,

UNITED STATES ROMAN S. KVASIG-RGCH,

OF CUDAHY, WISCONSIN.

LONGERON AND STATION BRACE FOR AEROPLANE FUSELAGES.

Continuation of application Serial No. 25,93 fil d April 25, 1925. This application filed. June 29, 1925.

Serial No. 40,293. i

To all 107mm it may concern Be it known that I, ROMAN S. KwAsruRoGH, a citizen of the United States, residing at- Cudahy, in the county of Milwaukee and State of Wisconsin, have in vented certain new and useful Improvements in a Longron and Station Brace for Aeroplane Fuselages, of which the following is a specification.

The present invention relates to improvements in the braces used for connecting the stations to the longrons of an aeroplane fuselage, and has for its prime object to provide a structure wherein the longrons may be constructed in a plurality of sections held together in my improved braces by a pressure wire. This assemblage enables injured parts to be easily and quickly replaced, in comparison to the ordinary construction Where the longrons are made in one piece.

Another important object of the invention resides in the provision of a brace provided with a plurality of receptacles, each inde pendent of the others for receiving the ends of stations and longrons and providing means for receiving the guy wires and one of said means being provided with an open ing for receiving the pressure wire which holds the sections of the longrons together, or assembled in the braces.

Another very important object of the invention is to provide a station and longron b ace of this nature which is exceedingly simple, strong, durable, reliable, and ellicient in construction, and one which may be manufactured at a relatively low cost and is otherwise Well adapted to the purpose for which it is designed.

Vith the above and numerous other objects in view as will appear as the description proceeds, the invention resides in certain novel features of construction, and in the combination and arrangen'ieut of parts as will be hereinafter more fully described and cl aimed.

This applifiation is a continuation of my earlier application bearing e' al No. 25.932 and tiled April 25, 1925.

In the drawing Figure 1 is a detail view showing a part of a fuselage structure with a pair of my improved braces associated with stations and longron sections and a pressure wire, and

Figure 2 is another view thereof, taken a ggrla ly t h t shown g e 1..-

Referring to the drawing in detail, it will be seen that the numeral 5 designates generally my improved brace which is provided with longitudinally extending receptacles 6 separated by a partition 7, and

transversely extending receptacles 8 which are rectangular-1y disposed to each other and also rectangularly disposed to the receptacles 6. Apertured fins 9 are disposed in the usual manner between the receptacles 6 and 8, and an improved fin 10 is disposed between the adjacent sides of receptacles 8. My improved fin 10 is provided with a guy wire receiving aperture 11 and with anopening 12 adjacent the corner formed by the receptacles 8.

As stated in the objects of the invention, the longron is formed in sections 13, the ends of which are receivable in the receptacles 6. The two ends in the receptacle 6 of the same brace abut the partition 7, and are held in abutment therewith by a suitable pressure wire 14 which is engaged with the ends of the longrons in any suitable manner, not shown, and tends to draw the sections of the longrons together in end to end abatme'nts, but since the ends of the longron sections are separated by the partition 7, said ends are drawn into abutment with these partitions 7. The stations 15 are re ceivable in the receptacles 8 in the usual manner. The guy Wires are attached in the usual manner by suitable fastening devices engageable in the apertures of the fins 9 and 10.

From the above detailed description it will be seen that should a longron become broken, the broken sections thereof may be easily removed by releasing the pressure wire 14. It will also be seen that a broken station 15 may be quickly and easily replaced should it become necessary.

In actual practice I find it desirable to construct the braces of steel, and the stations and longron sections of durahuuiu, wood, or some other suitable light tubing or solid rods in straight short lengths. The regular system of cross wires is used.

It is thought that the construction, utility, manipulation, and advantages of this inven tion should now be clearly understood by those skilled in the art of aeronautics.

The present embodiment of the invention has been disclosed merely by way of exam p e to br ns o t e r y he utili y n vantages of the invention since it attains in actual practice the various features of advantage enumerated as desirable in the statement of the invention and the above description.

It is apparent, however, that numerous changes in the details of construction, in the sizes, in the materials, and in the combination and arrangement of parts may be resorted to without departing from the spirit or scope of the invention as hereinafter claimed or sacrificing any of its advantages.

Having thus described the invention, what I claim as new and desire to secure by Le ters Patent is A device of the class described including a body having longitudinally aligned receptacles for receiving longron sections, and separated by a partition, and a station receiving receptacle rectangularly disposed to the longron section receptacles, fins connecting the receptacles and provided with apertures, one 01": said fins provided with an opening for receiving a. pressure Wire.

In testimony whereof I aflix my signature.

ROMAN S. KVVASIGROCH. 

